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  • Title: Influence of polyamine production and proteolytic activities of co-cultivated bacteria on histamine production by Morganiella morganii.
    Author: Devivilla S, Lekshmi M, Salam F, Kumar H S, Valappil RK, Dam Roy S, Nayak BB.
    Journal: J Gen Appl Microbiol; 2023 Jan 24; 68(5):213-218. PubMed ID: 35858814.
    Abstract:
    Consumption of temperature-abused marine fish containing elevated levels of histamine results in histamine poisoning. Histamine is a biogenic amine produced in fish by the action of certain groups of bacteria which are capable of producing an exogenous enzyme called histidine decarboxylase (HDC). Morganella morganii is one of the major causative organisms of histamine poisoning. In this study, the histamine forming potential of M. morganii (BSS142) was evaluated when it was co-incubated with proteolytic as well as polyamine forming bacteria. This experiment was designed to examine whether biotic factors such as proteolysis and the presence of other amines influenced histamine forming ability of BSS142. The study showed that the proteolytic activity of Aeromonas hydrophila as well as Pseudomonas aeruginosa greatly enhanced the histamine forming ability of M. morganii. Psychrobacter sangunis, a non proteolytic polyamine producer, negatively influenced histamine production by M. morganii.
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